HELP I don't understand anything
...
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 08:40
Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 11:00
As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 14:30
Consider the reduction reactions and their equilibrium constants. cu+(aq)+eββ½βββcu(s)pb2+(aq)+2eββ½βββpb(s)fe3+(aq)+3eββ½βββfe(=6.2Γ108=4.0Γ10β5=9.3Γ10β3 cu + ( aq ) + e β β½ β β β cu ( s ) k =6.2Γ 10 8 pb 2 + ( aq ) +2 e β β½ β β β pb ( s ) k =4.0Γ 10 β 5 fe 3 + ( aq ) +3 e β β½ β β β fe ( s ) k =9.3Γ 10 β 3 arrange these ions from strongest to weakest oxidizing agent.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 15:30
Draw the lewis dot structure for each of the following polyatomic ions
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2020 01:00
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2020 01:00
![question](/tpl/images/cats/istoriya.png)
History, 03.12.2020 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2020 01:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/pravo.png)
Law, 03.12.2020 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2020 01:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 03.12.2020 01:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 03.12.2020 01:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 03.12.2020 01:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2020 01:00